Multi-domain simulation: electronics, control, sensors and actuators

Put resistors, capacitors, diodes, transistors, op-amps, logic gates, a PID, sensors (NTC, LM35, LDR, tachometer, pressure, ultrasonic) and actuators (DC motor, heater, servo, fan, tank with valve) in one schematic. Simulate over time with a scope, check whether the whole system and each sensor are stable, and get the transfer function, root locus and Bode margins.

What you can do

Over 70 analog, digital, control, sensor and actuator components.
Real-time simulation with switches and sliders.
Stability of the whole system and of each subsystem.
Transfer function, step response, root locus, Bode and Nyquist.
Examples: motor PID control, thermostat, tank level, inverted pendulum.

Frequently asked questions

Can I simulate PID control of a motor?

Yes: connect a reference, a PID, a DC motor and a tachometer; you get the speed, torque and stability analysis.

How do I know if a sensor destabilises the system?

The subsystem table shows the own poles of every sensor and of the whole loop.

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